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WO2022140944A1 - Structure d'affichage et dispositif d'affichage - Google Patents

Structure d'affichage et dispositif d'affichage Download PDF

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Publication number
WO2022140944A1
WO2022140944A1 PCT/CN2020/140273 CN2020140273W WO2022140944A1 WO 2022140944 A1 WO2022140944 A1 WO 2022140944A1 CN 2020140273 W CN2020140273 W CN 2020140273W WO 2022140944 A1 WO2022140944 A1 WO 2022140944A1
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WO
WIPO (PCT)
Prior art keywords
screen layer
display structure
layer
display
backlight source
Prior art date
Application number
PCT/CN2020/140273
Other languages
English (en)
Chinese (zh)
Inventor
郭文瑞
郑泉水
Original Assignee
深圳清华大学研究院
清华大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳清华大学研究院, 清华大学 filed Critical 深圳清华大学研究院
Priority to PCT/CN2020/140273 priority Critical patent/WO2022140944A1/fr
Priority to CN202080093843.4A priority patent/CN115151968B/zh
Publication of WO2022140944A1 publication Critical patent/WO2022140944A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements

Definitions

  • the invention belongs to the technical field of display screens, and in particular relates to a display structure and a display.
  • OLED display technology based on self-luminous system, but the production of OLED display requires high-precision metal evaporation masking and high-level packaging requirements, resulting in high cost and short life of OLED display;
  • the liquid crystal display technology based on the LED backlight source needs to apply a voltage to turn the liquid crystal molecules to realize the on-off switching of the backlight source, thereby realizing the light and dark exchange of the pixels.
  • the liquid crystal molecules need a certain time to turn, the The response time is relatively long, and there are phenomena such as trailing ghosts, which affect the display effect.
  • the purpose of the present invention is to provide a display structure and a display to solve the technical problem that the liquid crystal molecules turn slowly and affect the display effect in the liquid crystal display technology of the LED backlight source in the prior art.
  • the technical solution provided by the present invention is to provide a display structure, comprising: a screen layer and a backlight source substrate, the screen layer and the backlight source substrate are arranged oppositely, and one of the screen layer There is a shielding layer on the side, the shielding layer includes several shielding parts, and there is a light-transmitting gap between the adjacent shielding parts.
  • Either side of the screen layer is provided with a moving block, and the moving block The sliding block is on the light-transmitting gap or on the blocking member.
  • the shielding layer is arranged inside the screen layer, and the screen layer has an opaque shielding member and a light-transmitting light-transmitting gap.
  • the shielding layer is located outside the screen layer, the shielding layer is provided on either side of the screen layer, and the moving block is provided on the other side of the screen layer or on the on the shield.
  • the shielding layer is attached to the side of the screen layer facing the backlight source substrate, and the screen layer and the backlight source substrate are attached and fixed, and the shielding layer is sealed on the backlight source substrate. between the screen layer and the backlight substrate.
  • a pixel packaging cover plate is also included, and the pixel packaging cover plate is located on the side of the screen layer substrate away from the backlight source substrate.
  • a color filter structure is provided on the pixel package cover, and the color filter structure is opposite to the light transmission gap.
  • the area of the cross section of the color filter is greater than or equal to the area of the cross section of the light transmission gap.
  • the moving stopper has an ultra-slippery surface
  • the side of the screen layer facing the moving stopper also has an ultraslippery surface
  • the moving stopper is in ultraslippery contact with the screen layer.
  • a driving electrode for driving the moving block to move is provided inside the screen layer.
  • the screen layer is light-transmitting, and both the shielding layer and the moving block are light-tight.
  • the present invention also discloses a display, including the display structure described in any one of the above.
  • the display structure of the present invention uses a movable block that can be driven by electricity to replace the liquid crystal molecules in the prior art as the light switch of the backlight source, which does not require steering and long-distance movement, greatly improves the response time of the liquid crystal screen, and improves the The display effect is improved, and the entire display structure is based on the LED backlight with stable performance, which has a long service life.
  • the processing technology is highly compatible with the processing lines of the existing Micro LED and LCD liquid crystal screens. At the same time, it matches the micro-nano processing technology. Make displays with higher pixel density at lower production costs.
  • FIG. 1 is a first structural schematic diagram of a display structure provided by an embodiment of the present invention
  • FIG. 2 is a second structural schematic diagram of a display structure provided by an embodiment of the present invention.
  • the display structure includes a screen layer 1 and a backlight substrate 2.
  • the screen layer 1 and the backlight substrate 2 are stacked and arranged.
  • the backlight substrate 2 is used to emit light.
  • LED backlight can be used.
  • the screen layer 1 is generally made of transparent material, which can transmit the light emitted by the backlight substrate 2. It can be selected from polyester resin, transparent polyimide, polycarbonate, Materials such as polymethyl methacrylate or glass can meet the screen performance.
  • a shielding layer 3 is provided on one side of the screen layer 1, and the shielding layer 3 includes a plurality of shielding components, and there are light-transmitting gaps 11 between the adjacent shielding components, so as to shield the backlight at intervals. Light emitted by the source substrate 2 .
  • the shielding layer 3 is located outside the screen layer 1, and the shielding layer 3 can be attached to the screen layer 1, or can be arranged on a bracket or a cover plate with a gap formed between the screen layer 1 and shielding the screen layer 1.
  • the components are several separate blocking blocks or blocking sheets located inside the shielding layer 3, which can play a partial blocking effect, which is not limited here.
  • the screen layer 1 is attached to the side of the screen layer 1 facing the backlight source substrate 2.
  • the screen layer 1 and the backlight source substrate 2 are attached and fixed, and the shielding layer 3 is sealed.
  • the shielding layer 3 is sealed and arranged on the screen layer 1 and the backlight source substrate 2.
  • the shielding layer 3 can not only play the role of shielding light, but also play a role of sealing, so as to prevent external dust or impurities from entering the light transmission gap 11 and affect the display effect. .
  • one side of the screen layer 1 is provided with a moving block 4, and the moving block 4 can be located on the same side as the shielding layer 3 or on opposite sides of the screen layer 1, or the shielding layer 3 is located on the screen layer. Inside 1, the moving block 4 is located on either side of the screen layer 1, which is not limited here.
  • the number of the moving blocks 4 is several, the moving blocks 4 can be slidably arranged on the screen layer 1 , and the moving blocks 4 are movably arranged on the light-transmitting gap 11 or on the shielding member.
  • the number of the moving blocks 4 is generally less than or equal to the number of the light-transmitting gaps 11 , and one moving block 4 can block one or several light-transmitting gaps 11 at the same time.
  • the size of the moving block 4 is generally in the order of micrometers, and the size of the light transmission gap 11 is also in the order of micrometers, and its size specification is relatively small.
  • the moving block 4 can slide on the screen layer 1, and the frictional force at this time is almost zero.
  • the super-slip contact means that when the moving block 4 and the screen layer 1 are in relative motion, the friction force is almost zero, the friction coefficient is less than one thousandth, and the wear is zero.
  • the driving of the moving blocks 4 is generally electric drive or magnetic drive, which can drive one or more moving blocks 4 at the same time, and the moving speed of the moving blocks 4 can be controlled.
  • the driving of the moving block 4 generally adopts electric driving, which has the advantages of higher stability and strong controllability.
  • Driving electrodes are arranged between or outside the screen layer 1 and the shielding layer 3. By applying a voltage to the driving electrodes, a pressure difference is formed on both sides of the moving block 4, thereby driving the reciprocating motion of the moving block 4.
  • FIG. 1 and FIG. 2 as a specific embodiment of the display structure provided by the present invention, it further includes a pixel packaging cover plate 5 , and the pixel packaging cover plate 5 is located on the substrate of the screen layer 1 away from the One side of the backlight source substrate 2, and the pixel packaging cover plate 5 is covered above the screen layer 1, and there is a gap between the pixel packaging cover plate 5 and the screen layer 1, and the moving block 4 can be in the gap. Sliding inside, and the light source can also diffuse in this gap.
  • the pixel packaging cover plate 5 is generally an RGB filter, and a color filter structure 51 is aligned on the pixel packaging cover plate 5.
  • the color filter structure 51 is connected to the transparent filter.
  • the light gap 11 is opposite to each other, and can convert the white light emitted by the backlight source substrate 2 into colored light.
  • the size of the color filter structure 51 projected on the screen layer 1 is larger than the size of the light transmission gap 11 .
  • This embodiment is based on the fact that the response time of the drivable physical moving block 4 under the super-slip interface can be as low as nanoseconds.
  • the response time of conventional liquid crystal molecules is at the millisecond level. The response time is much smaller than that of the liquid crystal molecules, so that it has a better display effect.
  • one of the manufacturing schemes of the moving stopper 4 is: after the screen layer 1, the backlight source substrate 2 and the shielding layer 3 are assembled, the moving stopper 4 is transferred to the The target position is located on the light-transmitting gap 11 or on one side of the light-transmitting gap 11 , so it requires mass transfer technology like the existing MicroLED display technology during processing.
  • the thickness of the moving block 4 is thinner than that of the LED. The lamp beads are easier to process, and the moving stopper 4 does not need to be welded with the bottom substrate after the transfer, and the processing method is simpler.
  • the current display technology with the best overall product performance is the OLED display solution, but the production and processing must rely on the high-precision vapor deposition metal mask process, and the requirements for the packaging process are also The higher the price, the higher the price. At the same time, if the packaging process meets the requirements, the luminescent material is also easily corroded by water and oxygen, which reduces the life of the screen.
  • the display structure provided in this embodiment is based on the LED backlight with stable performance, and the processing technology is highly compatible with the existing processing lines of MicroLED and LCD liquid crystal screens, which can reduce production costs; Higher pixel density for better display performance.
  • the present invention further provides a display, and the display includes the display structure in any of the above-mentioned embodiments.
  • the display includes the display structure in any of the above-mentioned embodiments.
  • a display it generally also includes conventional structures such as a backplane, a casing, and a filter in the prior art, which are all in the prior art and will not be described in detail here.
  • the display provided by this embodiment adopts the above-mentioned display structure, which greatly improves the response time of the liquid crystal screen and improves the display effect, and the entire display structure is based on the LED backlight source with stable performance, which has a long service life, and the processing technology and The processing lines of the existing Micro LED and LCD liquid crystal screens have a high degree of fit, and at the same time match the micro-nano processing technology capabilities, which can produce displays with higher pixel density and lower production costs.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne une structure d'affichage et un dispositif d'affichage. La structure d'affichage comprend une couche d'écran (1) et un substrat de source de rétroéclairage (2), la couche d'écran (1) et le substrat de source de rétroéclairage (2) étant disposés l'un en face de l'autre, et une couche de protection (3) étant disposée sur un côté de la couche d'écran (1) ; la couche de protection (3) comprend plusieurs composants de blocage, et il y a un espace de transmission de lumière (11) entre des composants de blocage adjacents ; et des blocs mobiles (4) sont disposés sur un côté de la couche d'écran (1), et les blocs mobiles (4) sont agencés de façon mobile au niveau des espaces de transmission de lumière (11) ou sur les composants de blocage. Les blocs mobiles (4), qui peuvent être électriquement entraînés et qui peuvent se déplacer horizontalement vers la gauche et vers la droite, sont utilisés pour remplacer les molécules de cristaux liquides dans l'état de la technique pour servir de commutateur optique d'une source de rétroéclairage, et les blocs mobiles n'ont pas besoin de tourner et de se déplacer sur une longue distance, ce qui permet d'améliorer considérablement le temps de réponse d'un écran à cristaux liquides. La totalité de la structure d'affichage est basée sur une source de rétroéclairage à DEL à performance stable, et elle a donc une longue durée de vie.
PCT/CN2020/140273 2020-12-28 2020-12-28 Structure d'affichage et dispositif d'affichage WO2022140944A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/140273 WO2022140944A1 (fr) 2020-12-28 2020-12-28 Structure d'affichage et dispositif d'affichage
CN202080093843.4A CN115151968B (zh) 2020-12-28 2020-12-28 显示结构以及显示器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/140273 WO2022140944A1 (fr) 2020-12-28 2020-12-28 Structure d'affichage et dispositif d'affichage

Publications (1)

Publication Number Publication Date
WO2022140944A1 true WO2022140944A1 (fr) 2022-07-07

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PCT/CN2020/140273 WO2022140944A1 (fr) 2020-12-28 2020-12-28 Structure d'affichage et dispositif d'affichage

Country Status (2)

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CN (1) CN115151968B (fr)
WO (1) WO2022140944A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102200635A (zh) * 2010-03-26 2011-09-28 三星电子株式会社 显示设备
CN102778753A (zh) * 2011-05-12 2012-11-14 株式会社日本显示器东 显示装置
CN102778752A (zh) * 2011-05-12 2012-11-14 株式会社日本显示器东 显示装置
JP2014077910A (ja) * 2012-10-11 2014-05-01 Japan Display Inc 表示装置および表示装置の動作方法
CN107505701A (zh) * 2017-09-19 2017-12-22 京东方科技集团股份有限公司 Mems光阀、像素阵列以及显示设备
CN107577043A (zh) * 2016-07-04 2018-01-12 爱德华·帕克奇亚恩 用于显示器的mems光调制器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002040336A (ja) * 2000-07-21 2002-02-06 Fuji Photo Film Co Ltd 光変調素子及びそれを用いた露光装置並びに平面表示装置
JP2007184826A (ja) * 2006-01-10 2007-07-19 Omron Corp 無線機
CN101909405A (zh) * 2007-12-11 2010-12-08 住友电木株式会社 电路板、电路板的制造方法及覆盖膜
WO2011074304A1 (fr) * 2009-12-15 2011-06-23 シャープ株式会社 Elément d'affichage et dispositif électrique l'utilisant
US8388868B2 (en) * 2010-02-01 2013-03-05 General Cable Technologies Corporation Vulcanizable copolymer semiconductive shield compositions
JP2012248293A (ja) * 2011-05-25 2012-12-13 Japan Display East Inc バックライト及び表示装置
US20160093269A1 (en) * 2014-09-26 2016-03-31 Pixtronix, Inc. Laser-Pumped Phosphor Backlight and Methods
CN105467579B (zh) * 2016-02-03 2017-03-22 京东方科技集团股份有限公司 一种mems光阀、显示装置
JP2019101383A (ja) * 2017-12-08 2019-06-24 パナソニック液晶ディスプレイ株式会社 画像表示装置
CN209089267U (zh) * 2018-09-28 2019-07-09 瑞美达电子(深圳)有限公司 一种基于单运算放大器的双led灯显示的智能快充电路
TWI704393B (zh) * 2019-04-29 2020-09-11 友達光電股份有限公司 顯示裝置
CN110553728B (zh) * 2019-08-26 2022-03-15 深圳清华大学研究院 箱式紫外线平行光设备及紫外线辐射照度计的校准方法
CN214042944U (zh) * 2020-12-28 2021-08-24 深圳清华大学研究院 一种基于结构超滑的显示结构以及显示器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102200635A (zh) * 2010-03-26 2011-09-28 三星电子株式会社 显示设备
CN102778753A (zh) * 2011-05-12 2012-11-14 株式会社日本显示器东 显示装置
CN102778752A (zh) * 2011-05-12 2012-11-14 株式会社日本显示器东 显示装置
JP2014077910A (ja) * 2012-10-11 2014-05-01 Japan Display Inc 表示装置および表示装置の動作方法
CN107577043A (zh) * 2016-07-04 2018-01-12 爱德华·帕克奇亚恩 用于显示器的mems光调制器
CN107505701A (zh) * 2017-09-19 2017-12-22 京东方科技集团股份有限公司 Mems光阀、像素阵列以及显示设备

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Publication number Publication date
CN115151968B (zh) 2023-11-21
CN115151968A (zh) 2022-10-04

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